Please help I want to go to sleep xD (There's a screenshot)

2n - 8

Step-by-step explanation:

Combine like terms in the parenthesis 2(1n - 4)

The distribute (multiple both of the terms inside by 2)

It gives 2n - 8

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it